how many cubic feet, really?

liz_h(7/8 DFW Texas)March 31, 2012

When I do a conversion, 64 dry quarts of potting soil = 2.48 cubic feet. But I remember that I had to buy more bags of potting soil than stated on the bag when I filled a 4'x4' bed.

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tapla (mid-MI z5b-6a)

I'm confused - are you thinking square ft when you should be thinking cu ft?

4'x4'x6" = 8 cu ft
4'x4'x8" = 11 cu ft
4'x4'x10" = 13 cu ft
4'x4'x16" = 21 cu ft

Dry soil also compresses under its own weight - especially when wet.


    Bookmark   March 31, 2012 at 10:37PM
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Yep, manufacturers definately know that dry soil fills more volume then wet, and sell it that way. If they sold it by weight, you can bet it would be the other way around.


    Bookmark   March 31, 2012 at 11:06PM
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Just found this calculator for doing this figuring for me:

    Bookmark   December 8, 2013 at 6:03PM
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